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Finding the Fourth Proportional to 58,468.80, 87,704 and 19,026.12

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Solution

The fourth proportional to 58,468.80, 87,704 and 19,026.12 is: 28,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,468.80 : 87,704 = 19,026.12 : x
  2. Step 2: Convert to fraction form
    58,468.80/87,704 = 19,026.12/x
  3. Step 3: Cross multiply
    58,468.80x = 87,704 × 19,026.12
  4. Step 4: Simplify right side
    58,468.80x = 1,668,666,828.48
  5. Step 5: Solve for x
    x = 1,668,666,828.48/58,468.80
  6. Step 6: Final answer
    x = 28,539.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.